/* ==================== 基础重置 ==================== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
body { 
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif; 
  overflow-x:hidden;
  background:#faf8f5;
  color:#3d3330;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

/* ==================== 核心布局 ==================== */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#fdf5f0; }
.section:nth-child(even)::before {
  content:'';
  position:absolute;
  top:-40px;
  right:10%;
  width:180px;
  height:180px;
  background:radial-gradient(circle, rgba(61,214,168,0.08) 0%, transparent 70%);
  border-radius:50%;
  pointer-events:none;
  z-index:0;
}

/* ==================== 导航 ==================== */
.site-header { 
  position:fixed; 
  top:0; 
  left:0; 
  width:100%; 
  z-index:1000; 
  background:rgba(250,248,245,0.92); 
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(232,168,80,0.15);
  transition:box-shadow 0.3s ease;
}
.site-header.scrolled {
  box-shadow:0 2px 24px rgba(255,107,91,0.08);
}
.header-inner { 
  display:flex; 
  align-items:center; 
  justify-content:space-between; 
  height:68px; 
  max-width:1200px; 
  margin:0 auto; 
  padding:0 24px; 
}
.logo { 
  display:flex; 
  align-items:center; 
  gap:10px; 
  font-weight:700; 
  font-size:1.25rem; 
  text-decoration:none; 
  color:#3d3330;
  letter-spacing:-0.02em;
  transition:color 0.2s;
}
.logo:hover { color:#ff6b5b; }
.logo-icon { 
  width:38px; 
  height:38px; 
  border-radius:10px; 
  background:linear-gradient(135deg, #ff6b5b 0%, #e8a850 100%);
  display:flex; 
  align-items:center; 
  justify-content:center; 
  font-size:1rem;
  color:#fff;
  font-weight:800;
  box-shadow:0 4px 14px rgba(255,107,91,0.25);
}
.main-nav { 
  display:flex; 
  align-items:center; 
  gap:28px; 
  list-style:none; 
}
.main-nav a { 
  text-decoration:none; 
  font-size:0.9rem; 
  font-weight:500;
  color:#5c4a42;
  position:relative;
  transition:color 0.2s;
  padding:4px 0;
}
.main-nav a::after {
  content:'';
  position:absolute;
  bottom:0;
  left:50%;
  transform:translateX(-50%) scaleX(0);
  width:100%;
  height:2px;
  background:#ff6b5b;
  border-radius:2px;
  transition:transform 0.25s cubic-bezier(0.25,0.8,0.25,1.2);
}
.main-nav a:hover { color:#ff6b5b; }
.main-nav a:hover::after { transform:translateX(-50%) scaleX(1); }
.nav-cta { 
  padding:9px 22px; 
  border-radius:10px; 
  color:#fff!important; 
  font-weight:600;
  background:linear-gradient(135deg, #ff6b5b 0%, #f05a4a 100%);
  box-shadow:0 4px 16px rgba(255,107,91,0.3);
  transition:all 0.25s cubic-bezier(0.25,0.8,0.25,1.2);
}
.nav-cta:hover { 
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(255,107,91,0.4);
  color:#fff!important;
}
.nav-cta::after { display:none; }
.menu-toggle { 
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  padding:8px;
  background:none;
  border:none;
  z-index:1001;
}
.menu-toggle span {
  width:26px;
  height:2.5px;
  background:#3d3330;
  border-radius:3px;
  transition:all 0.3s ease;
  display:block;
}
.menu-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.menu-toggle.active span:nth-child(2) { opacity:0; }
.menu-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* ==================== Hero ==================== */
.hero { 
  min-height:70vh; 
  display:flex; 
  align-items:center;
  padding-top:68px;
  position:relative;
  overflow:hidden;
}
.hero::before {
  content:'';
  position:absolute;
  top:-120px;
  right:-80px;
  width:500px;
  height:500px;
  background:radial-gradient(circle, rgba(61,214,168,0.1) 0%, transparent 60%);
  border-radius:50%;
  pointer-events:none;
  z-index:0;
}
.hero::after {
  content:'';
  position:absolute;
  bottom:-60px;
  left:-40px;
  width:350px;
  height:350px;
  background:radial-gradient(circle, rgba(255,107,91,0.08) 0%, transparent 60%);
  border-radius:50%;
  pointer-events:none;
  z-index:0;
}
.hero .container {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  position:relative;
  z-index:1;
}
.hero-content { max-width:720px; }
.hero-eyebrow { 
  display:inline-block; 
  font-size:0.82rem; 
  font-weight:600; 
  padding:5px 16px; 
  border-radius:24px; 
  margin-bottom:18px;
  background:#e6f9f3;
  color:#2aad7f;
  letter-spacing:0.04em;
}
.hero h1 { 
  font-size:3.2rem; 
  line-height:1.15; 
  margin-bottom:20px;
  font-weight:800;
  letter-spacing:-0.03em;
  color:#2c221e;
}
.hero h1 .highlight {
  background:linear-gradient(135deg, #ff6b5b 0%, #e8a850 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero p { 
  font-size:1.1rem; 
  opacity:0.7; 
  max-width:540px; 
  margin-bottom:34px;
  color:#5c4a42;
  line-height:1.7;
}
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image { 
  border-radius:20px; 
  overflow:hidden;
  position:relative;
  background:linear-gradient(145deg, #fdf5f0 0%, #fef9f5 50%, #fdf5f0 100%);
  border:1px solid rgba(232,168,80,0.2);
  box-shadow:0 20px 50px rgba(255,107,91,0.1), 0 4px 12px rgba(0,0,0,0.04);
  aspect-ratio:4/3;
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-image img { width:100%; height:100%; object-fit:cover; }

/* ==================== 按钮 ==================== */
.btn { 
  display:inline-flex; 
  align-items:center; 
  gap:8px; 
  padding:13px 30px; 
  border-radius:10px; 
  font-weight:600; 
  cursor:pointer; 
  border:none; 
  text-decoration:none; 
  transition:all 0.25s cubic-bezier(0.25,0.8,0.25,1.2);
  font-size:0.95rem;
  letter-spacing:0.01em;
}
.btn-primary { 
  color:#fff;
  background:linear-gradient(135deg, #ff6b5b 0%, #f05a4a 100%);
  box-shadow:0 4px 18px rgba(255,107,91,0.35);
}
.btn-primary:hover { 
  transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(255,107,91,0.45);
  background:linear-gradient(135deg, #ff7d6f 0%, #f26858 100%);
}
.btn-outline { 
  background:transparent; 
  border:2px solid #ff6b5b;
  color:#ff6b5b;
}
.btn-outline:hover { 
  background:#ff6b5b;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(255,107,91,0.25);
}
.btn-secondary {
  background:transparent;
  border:2px solid #3dd6a8;
  color:#2aad7f;
}
.btn-secondary:hover {
  background:#3dd6a8;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(61,214,168,0.3);
}

/* ==================== 标签/标题 ==================== */
.section-label { 
  display:inline-block; 
  font-size:0.78rem; 
  font-weight:700; 
  letter-spacing:3px;
  margin-bottom:12px;
  color:#ff6b5b;
  text-transform:uppercase;
  position:relative;
}
.section-label::after {
  content:'';
  display:inline-block;
  width:32px;
  height:3px;
  background:linear-gradient(90deg, #ff6b5b, #e8a850);
  border-radius:2px;
  margin-left:10px;
  vertical-align:middle;
}
.section-title { 
  font-size:2.2rem; 
  margin-bottom:14px;
  font-weight:700;
  letter-spacing:-0.02em;
  color:#2c221e;
  line-height:1.25;
}
.section-desc { 
  max-width:600px; 
  opacity:0.7; 
  margin-bottom:40px;
  color:#5c4a42;
  font-size:1.05rem;
  line-height:1.7;
}

/* ==================== 卡片网格 ==================== */
.cards-grid { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); 
  gap:24px; 
}
.category-card { 
  border-radius:16px; 
  padding:30px 28px; 
  border:1px solid rgba(232,168,80,0.18);
  background:#fff;
  transition:all 0.3s cubic-bezier(0.25,0.8,0.25,1.2);
  position:relative;
  overflow:hidden;
}
.category-card::before {
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg, #ff6b5b, #e8a850, #3dd6a8);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 0.4s cubic-bezier(0.25,0.8,0.25,1.2);
  border-radius:0 0 3px 3px;
}
.category-card:hover { 
  transform:translateY(-5px); 
  box-shadow:0 16px 40px rgba(255,107,91,0.1), 0 4px 12px rgba(0,0,0,0.04);
  border-color:rgba(255,107,91,0.3);
}
.category-card:hover::before { transform:scaleX(1); }
.category-card h3 {
  font-size:1.15rem;
  font-weight:700;
  margin-bottom:8px;
  color:#2c221e;
}
.category-card p {
  font-size:0.9rem;
  color:#5c4a42;
  opacity:0.7;
  line-height:1.6;
}
.card-icon { 
  width:52px; 
  height:52px; 
  border-radius:14px; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  margin-bottom:18px; 
  font-size:1.4rem;
  background:#e6f9f3;
  color:#2aad7f;
  transition:all 0.3s ease;
}
.category-card:hover .card-icon {
  background:#3dd6a8;
  color:#fff;
  box-shadow:0 8px 20px rgba(61,214,168,0.3);
}
.card-link { 
  font-weight:600; 
  font-size:0.85rem; 
  text-decoration:none;
  color:#ff6b5b;
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  transition:gap 0.25s ease;
}
.card-link:hover { gap:10px; }
.card-link::after {
  content:'→';
  font-size:1rem;
  transition:transform 0.25s ease;
}
.card-link:hover::after { transform:translateX(3px); }

/* ==================== 特性块 ==================== */
.feature-block { 
  display:grid; 
  grid-template-columns:1fr 1fr; 
  gap:56px; 
  align-items:center; 
}
.feature-image { 
  border-radius:20px; 
  overflow:hidden;
  background:linear-gradient(160deg, #fdf5f0 0%, #fef9f5 40%, #fdf5f0 100%);
  border:1px solid rgba(232,168,80,0.2);
  box-shadow:0 16px 40px rgba(255,107,91,0.08);
  aspect-ratio:4/3;
  display:flex;
  align-items:center;
  justify-content:center;
}
.feature-image img { width:100%; height:100%; object-fit:cover; }
.feature-text h3 {
  font-size:1.6rem;
  font-weight:700;
  margin-bottom:16px;
  color:#2c221e;
  letter-spacing:-0.01em;
}
.feature-text p {
  color:#5c4a42;
  opacity:0.75;
  margin-bottom:20px;
  line-height:1.7;
}
.feature-list { list-style:none; }
.feature-list li { 
  padding:8px 0; 
  display:flex; 
  align-items:center; 
  gap:10px;
  font-size:0.95rem;
  color:#3d3330;
}
.feature-list li::before { 
  content:'✓'; 
  font-weight:700;
  color:#3dd6a8;
  font-size:1.1rem;
  width:24px;
  height:24px;
  background:#e6f9f3;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}

/* ==================== 数据条 ==================== */
.stats-bar { 
  display:grid; 
  grid-template-columns:repeat(4,1fr); 
  gap:20px; 
  text-align:center; 
}
.stat-item { 
  padding:28px 20px; 
  border-radius:16px; 
  border:1px solid rgba(232,168,80,0.18);
  background:#fff;
  transition:all 0.3s ease;
}
.stat-item:hover {
  transform:translateY(-3px);
  box-shadow:0 12px 32px rgba(255,107,91,0.1);
  border-color:rgba(255,107,91,0.25);
}
.stat-number { 
  font-size:2.4rem; 
  font-weight:800;
  background:linear-gradient(135deg, #ff6b5b 0%, #e8a850 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  letter-spacing:-0.02em;
}
.stat-label { 
  font-size:0.9rem; 
  opacity:0.6; 
  margin-top:8px;
  color:#5c4a42;
  font-weight:500;
}

/* ==================== 内容墙 ==================== */
.content-wall { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:24px; 
}
.content-wall-item { 
  border-radius:16px; 
  overflow:hidden; 
  border:1px solid rgba(232,168,80,0.18);
  background:#fff;
  transition:all 0.3s cubic-bezier(0.25,0.8,0.25,1.2);
}
.content-wall-item:hover { 
  transform:translateY(-4px); 
  box-shadow:0 16px 36px rgba(255,107,91,0.1), 0 4px 12px rgba(0,0,0,0.04);
}
.content-wall-item img { 
  width:100%; 
  height:200px; 
  object-fit:cover;
  background:linear-gradient(150deg, #fdf5f0, #fef9f5);
}
.content-wall-body { padding:22px; }
.content-wall-body h4 {
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:8px;
  color:#2c221e;
}
.content-wall-body p {
  font-size:0.88rem;
  color:#5c4a42;
  opacity:0.7;
  line-height:1.6;
}
.content-wall-body .card-link {
  margin-top:8px;
}

/* ==================== FAQ ==================== */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid rgba(232,168,80,0.18);
  background:#fff;
  border-radius:12px; 
  margin-bottom:10px; 
  overflow:hidden; 
  cursor:pointer;
  transition:all 0.3s ease;
}
.faq-item:hover {
  border-color:rgba(255,107,91,0.25);
}
.faq-item.open {
  border-color:rgba(255,107,91,0.35);
  box-shadow:0 8px 24px rgba(255,107,91,0.08);
}
.faq-item .faq-question { 
  padding:18px 22px; 
  font-weight:600;
  display:flex; 
  justify-content:space-between;
  align-items:center;
  color:#2c221e;
  font-size:1rem;
}
.faq-item .faq-question::after {
  content:'+';
  font-size:1.3rem;
  font-weight:400;
  color:#ff6b5b;
  transition:transform 0.3s ease;
  flex-shrink:0;
  margin-left:12px;
}
.faq-item.open .faq-question::after {
  content:'−';
  transform:rotate(180deg);
}
.faq-item .faq-answer { 
  padding:0 22px 18px; 
  display:none; 
  opacity:0.7;
  color:#5c4a42;
  font-size:0.93rem;
  line-height:1.7;
}
.faq-item.open .faq-answer { display:block; }

/* ==================== CTA横幅 ==================== */
.cta-banner { 
  padding:60px 30px; 
  text-align:center; 
  border-radius:20px; 
  color:#fff;
  background:linear-gradient(135deg, #ff6b5b 0%, #f05a4a 30%, #e8a850 70%, #d4953d 100%);
  position:relative;
  overflow:hidden;
}
.cta-banner::before {
  content:'';
  position:absolute;
  top:-60px;
  right:-60px;
  width:250px;
  height:250px;
  background:rgba(255,255,255,0.08);
  border-radius:50%;
  pointer-events:none;
}
.cta-banner::after {
  content:'';
  position:absolute;
  bottom:-40px;
  left:-40px;
  width:180px;
  height:180px;
  background:rgba(255,255,255,0.06);
  border-radius:50%;
  pointer-events:none;
}
.cta-banner h2 { 
  color:#fff;
  font-size:2rem;
  font-weight:700;
  letter-spacing:-0.02em;
  position:relative;
  z-index:1;
}
.cta-banner p {
  color:rgba(255,255,255,0.85);
  margin:12px 0 24px;
  position:relative;
  z-index:1;
  font-size:1rem;
}
.cta-banner .btn-primary { 
  background:#fff;
  color:#ff6b5b;
  box-shadow:0 8px 24px rgba(0,0,0,0.15);
  position:relative;
  z-index:1;
}
.cta-banner .btn-primary:hover {
  background:#fffefd;
  box-shadow:0 12px 32px rgba(0,0,0,0.2);
  transform:translateY(-2px);
}

/* ==================== 页脚 ==================== */
.site-footer { 
  padding:56px 0 28px;
  background:#fdf5f0;
  border-top:1px solid rgba(232,168,80,0.2);
}
.footer-grid { 
  display:grid; 
  grid-template-columns:2fr 1fr 1fr 1fr; 
  gap:40px; 
}
.footer-brand h4 {
  font-size:1.2rem;
  font-weight:700;
  margin-bottom:12px;
  color:#2c221e;
}
.footer-brand p {
  font-size:0.9rem;
  color:#5c4a42;
  opacity:0.7;
  line-height:1.6;
}
.footer-col h5 {
  font-size:0.9rem;
  font-weight:700;
  margin-bottom:14px;
  color:#2c221e;
  letter-spacing:0.02em;
}
.footer-col ul {
  list-style:none;
}
.footer-col ul li {
  margin-bottom:8px;
}
.footer-col ul li a {
  text-decoration:none;
  font-size:0.88rem;
  color:#5c4a42;
  opacity:0.7;
  transition:all 0.2s;
}
.footer-col ul li a:hover {
  color:#ff6b5b;
  opacity:1;
}
.footer-bottom { 
  border-top:1px solid rgba(232,168,80,0.2);
  margin-top:40px; 
  padding-top:20px; 
  text-align:center; 
  font-size:0.85rem;
  color:#5c4a42;
  opacity:0.6;
}

/* ==================== 工具类 ==================== */
.text-accent { color:#ff6b5b; }
.text-center { text-align:center; }
.seo-description { 
  max-width:600px; 
  margin:0 auto 48px; 
  opacity:0.7;
  color:#5c4a42;
  font-size:0.95rem;
  line-height:1.7;
  text-align:center;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns:1fr;
    text-align:center;
  }
  .hero-content { margin:0 auto; }
  .hero p { margin:0 auto 34px; }
  .hero-buttons { justify-content:center; }
  .hero-image { max-width:480px; margin:0 auto; }
  .hero h1 { font-size:2.6rem; }
  .section-title { font-size:1.8rem; }
}

@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .feature-image { order:-1; max-width:100%; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { 
    display:flex; 
    flex-direction:column; 
    position:absolute; 
    top:68px; 
    left:0; 
    width:100%; 
    background:rgba(250,248,245,0.98);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    padding:24px;
    border-bottom:1px solid rgba(232,168,80,0.2);
    box-shadow:0 12px 32px rgba(0,0,0,0.06);
    gap:6px;
  }
  .main-nav.open a {
    padding:12px 16px;
    display:block;
    border-radius:8px;
    font-size:1rem;
  }
  .main-nav.open a:hover {
    background:#fdf5f0;
  }
  .main-nav.open .nav-cta {
    text-align:center;
    margin-top:8px;
  }
  .hero { min-height:60vh; }
  .hero h1 { font-size:2.2rem; }
  .section { padding:56px 0; }
  .cta-banner { padding:44px 20px; }
  .cta-banner h2 { font-size:1.5rem; }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .hero-buttons { 
    flex-direction:column;
    align-items:center;
  }
  .hero-buttons .btn {
    width:100%;
    max-width:280px;
    justify-content:center;
  }
  .hero h1 { font-size:1.8rem; }
  .hero p { font-size:0.95rem; }
  .section-title { font-size:1.5rem; }
  .container { padding:0 16px; }
  .header-inner { padding:0 16px; }
  .category-card { padding:22px 18px; }
  .stat-item { padding:20px 14px; }
  .stat-number { font-size:1.8rem; }
  .feature-block { gap:24px; }
  .cta-banner { padding:36px 16px; border-radius:14px; }
  .cta-banner h2 { font-size:1.3rem; }
}